GitHub/LineageOS/android_kernel_motorola_exynos9610.git
9 years agodrm/amdgpu: add some pptable definitions
Jammy Zhou [Tue, 21 Jul 2015 13:17:16 +0000 (21:17 +0800)]
drm/amdgpu: add some pptable definitions

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: add some common definitions to amd_shared.h
Jammy Zhou [Tue, 21 Jul 2015 09:41:48 +0000 (17:41 +0800)]
drm/amdgpu: add some common definitions to amd_shared.h

Add GPU family definitions and timeout value for IP components.

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: allow userspace to read more debug registers
Marek Olšák [Sat, 11 Jul 2015 10:08:46 +0000 (12:08 +0200)]
drm/amdgpu: allow userspace to read more debug registers

Feel free to suggest more.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Acked-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
9 years agodrm/amdgpu: move some atombios definitions to common folder (v2)
Alex Deucher [Mon, 17 Aug 2015 02:51:50 +0000 (22:51 -0400)]
drm/amdgpu: move some atombios definitions to common folder (v2)

the definitions can be shared by different IP components.

v2: fix include path

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: fix UVD/VCE fence handling
Christian König [Tue, 21 Jul 2015 16:02:21 +0000 (18:02 +0200)]
drm/amdgpu: fix UVD/VCE fence handling

We need to return the sequence number to userspace
even when we don't use user fences.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: add fence suspend/resume functions
Alex Deucher [Wed, 5 Aug 2015 16:41:48 +0000 (12:41 -0400)]
drm/amdgpu: add fence suspend/resume functions

Added to:
- handle draining the ring on suspend
- properly enable/disable interrupts on suspend and resume

Fix breakages from:
commit 467ee3be53d240d08beed2e82a941e820c1ac323
Author: Chunming Zhou <david1.zhou@amd.com>
Date:   Mon Jun 1 14:14:32 2015 +0800

    drm/amdgpu: always enable EOP interrupt v2

Tested-by: Audrey Grodzovsky <audrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: always enable EOP interrupt v2
Chunming Zhou [Mon, 1 Jun 2015 06:14:32 +0000 (14:14 +0800)]
drm/amdgpu: always enable EOP interrupt v2

v2 (chk): always enable EOP interrupt, independent of scheduler,
  remove now unused delayed_irq handling.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
9 years agodrm/amdgpu: rework vm_grab_id interface
Christian König [Mon, 20 Jul 2015 14:09:40 +0000 (16:09 +0200)]
drm/amdgpu: rework vm_grab_id interface

This makes assigning VM IDs independent from the use of VM IDs.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
9 years agodrm/amdgpu: no updates shouldn't cause vm flush v2
Christian König [Mon, 20 Jul 2015 13:47:30 +0000 (15:47 +0200)]
drm/amdgpu: no updates shouldn't cause vm flush v2

v2 (chk): split fix from original patch

Signed-off-by: monk.liu <monk.liu@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
9 years agodrm/amdgpu: fix signed overrun in amdgpu_ctx_get_fence
Christian König [Sat, 18 Jul 2015 17:20:05 +0000 (19:20 +0200)]
drm/amdgpu: fix signed overrun in amdgpu_ctx_get_fence

Otherwise the first 16 fences of a context will always signal immediately.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
9 years agodrm/amdgpu: fix context memory leak
Christian König [Thu, 16 Jul 2015 10:01:06 +0000 (12:01 +0200)]
drm/amdgpu: fix context memory leak

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
9 years agodrm/amdgpu: remove amdgpu_fence_recreate
Christian König [Tue, 7 Jul 2015 16:44:01 +0000 (18:44 +0200)]
drm/amdgpu: remove amdgpu_fence_recreate

It's not used any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: add user fence context map v2
Christian König [Tue, 7 Jul 2015 15:24:49 +0000 (17:24 +0200)]
drm/amdgpu: add user fence context map v2

This is a prerequisite for the GPU scheduler to make the order
of submission independent from the order of execution.

v2: properly implement the locking

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: deal with foreign fences in amdgpu_sync
Christian König [Mon, 6 Jul 2015 20:06:40 +0000 (22:06 +0200)]
drm/amdgpu: deal with foreign fences in amdgpu_sync

This also requires some error handling from the callers of that function.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: cleanup context structure v2
Alex Deucher [Mon, 17 Aug 2015 02:48:26 +0000 (22:48 -0400)]
drm/amdgpu: cleanup context structure v2

The comment is misleading and incorrect, remove it.

Printing the id is completely meaningless and this practice
can cause a race conditions on command submission.

The flags and hangs fields are completely unused.

Give all fields a common indentation.

v2: remove fpriv reference and unused flags as well, fix debug message.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: add cgs_interface for pg and cg
rezhu [Fri, 7 Aug 2015 05:37:56 +0000 (13:37 +0800)]
drm/amdgpu: add cgs_interface for pg and cg

v3: check whether ip_blocks is enable
v2: add break in the for loop.

Signed-off-by: Rex zhu <rezhu@amd.com>
9 years agodrm/amdgpu: fix some typo for cgs definitions
Jammy Zhou [Tue, 21 Jul 2015 09:02:44 +0000 (17:02 +0800)]
drm/amdgpu: fix some typo for cgs definitions

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: add cgs_get_firmware_info interface v2
Jammy Zhou [Wed, 13 May 2015 10:58:05 +0000 (18:58 +0800)]
drm/amdgpu: add cgs_get_firmware_info interface v2

This new interface can be used by IP components to retrieve the
firmware information from the core driver.

v2: fix one typo

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhou@amd.com>
Signed-off-by: Young Yang <Young.Yang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: implement cgs gpu memory callbacks
Chunming Zhou [Fri, 24 Apr 2015 09:38:20 +0000 (17:38 +0800)]
drm/amdgpu: implement cgs gpu memory callbacks

This implements the cgs interface for allocating
GPU memory.

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: add atom interfaces for CGS
Chunming Zhou [Fri, 22 May 2015 16:14:04 +0000 (12:14 -0400)]
drm/amdgpu: add atom interfaces for CGS

This implements the interface for atombios command
and data table access.

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: Implement irq interfaces for CGS
Alex Deucher [Tue, 28 Jul 2015 18:24:53 +0000 (14:24 -0400)]
drm/amdgpu: Implement irq interfaces for CGS

This implements the irq src registrar.

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: Implement the pciconfig callbacks for CGS
Chunming Zhou [Fri, 22 May 2015 15:33:31 +0000 (11:33 -0400)]
drm/amdgpu: Implement the pciconfig callbacks for CGS

This implements the pciconfig register accessors.

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: Implement mmio callbacks for CGS
Chunming Zhou [Fri, 22 May 2015 15:29:30 +0000 (11:29 -0400)]
drm/amdgpu: Implement mmio callbacks for CGS

This implements the MMIO register accessors.

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amd: Add CGS interfaces
Chunming Zhou [Tue, 28 Jul 2015 18:20:03 +0000 (14:20 -0400)]
drm/amd: Add CGS interfaces

CGS (Common Graphics Services) is an AMD cross component
abstraction layer to designed to better encapsulate
specific IP block drivers so different teams can effectively
work on differnet IP block drivers independently. It provides
a common interface for things like accessing registers,
allocating GPU memory, and registering interrupt sources.
The plan is to eventually move more and more IP drivers to
this interface.  The first user is the ACP IP driver.

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
9 years agodrm/amdgpu: fix one warning message
Jammy Zhou [Fri, 7 Aug 2015 07:30:44 +0000 (15:30 +0800)]
drm/amdgpu: fix one warning message

In function 'amdgpu_uvd_cs_pass2':
warning: 'min_ctx_size' may be used uninitialized in this function
  buf_sizes[0x4] = min_ctx_size;
                 ^
note: 'min_ctx_size' was declared here
  unsigned image_size, tmp, min_dpb_size, num_dpb_buffer, min_ctx_size;
                                                          ^
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
9 years agodrm/radeon/dce6: assign different audio pins to each encoder
Alex Deucher [Thu, 23 Jul 2015 14:53:51 +0000 (10:53 -0400)]
drm/radeon/dce6: assign different audio pins to each encoder

This allows you to send different audio to each audio capable
display.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
9 years agoMerge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm...
Dave Airlie [Mon, 17 Aug 2015 06:03:48 +0000 (16:03 +1000)]
Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next

A couple of fixes from the previous pull request as well as gl3 support.
There is one drm core change, an export of a previously private function.

Take 2 implementing screen targets, this time with the fbdev code adjusted
accordingly.

Also there is an implementation of register-driven command buffers, that
overrides the FIFO ring for command processing. It's needed for our upcoming
hardware revision.
* 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux: (35 commits)
  drm/vmwgfx: Fix copyright headers
  drm/vmwgfx: Add DX query support. Various fixes.
  drm/vmwgfx: Add command parser support for a couple of DX commands
  drm/vmwgfx: Command parser fixes for DX
  drm/vmwgfx: Initial DX support
  drm/vmwgfx: Update device includes for DX device functionality
  drm: export the DRM permission check code
  drm/vmwgfx: Fix crash when unloading vmwgfx v2
  drm/vmwgfx: Fix framebuffer creation on older hardware
  drm/vmwgfx: Fixed topology boundary checking for Screen Targets
  drm/vmwgfx: Fix an uninitialized value
  drm/vmwgfx: Fix compiler warning with 32-bit dma_addr_t
  drm/vmwgfx: Kill a bunch of sparse warnings
  drm/vmwgfx: Fix kms preferred mode sorting
  drm/vmwgfx: Reinstate the legacy display system dirty callback
  drm/vmwgfx: Implement fbdev on kms v2
  drm/vmwgfx: Add a kernel interface to create a framebuffer v2
  drm/vmwgfx: Avoid cmdbuf alloc sleeping if !TASK_RUNNING
  drm/vmwgfx: Convert screen targets to new helpers v3
  drm/vmwgfx: Convert screen objects to the new helpers
  ...

9 years agoMerge tag 'drm/panel/for-4.3-rc1' of git://anongit.freedesktop.org/tegra/linux into...
Dave Airlie [Mon, 17 Aug 2015 05:53:05 +0000 (15:53 +1000)]
Merge tag 'drm/panel/for-4.3-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm/panel: Changes for v4.3-rc1

This introduces support for a couple of new panels and also contains
some work to restructure the directories to get more consistency, to
deal better with more panel and bridge drivers getting added.

* tag 'drm/panel/for-4.3-rc1' of git://anongit.freedesktop.org/tegra/linux:
  drm/bridge: Put Kconfig entries in a separate menu
  drm/panel: Add support for LG LG4573 480x800 4.3" panel
  drm/panel: Add display timing for Okaya RS800480T-7X0GP
  of: Add Okaya Electric America vendor prefix
  drm/panel: simple: Add support for NEC NL4827HC19-05B 480x272 panel
  drm/panel: simple: Add support for AUO B080UAN01
  drm/panel: simple: Correct minimum hsync length of the HannStar HSD070PWW1 panel
  drm/panel: simple: Add bus format for HannStar HSD070PWW1 LVDS panel
  drm/bridge: Add vendor prefixes
  drm/panel: Add Samsung prefix to panel drivers
  drm/exynos: Remove PTN3460 dependency

9 years agoMerge tag 'drm/tegra/for-4.3-rc1' of git://anongit.freedesktop.org/tegra/linux into...
Dave Airlie [Mon, 17 Aug 2015 05:52:39 +0000 (15:52 +1000)]
Merge tag 'drm/tegra/for-4.3-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm/tegra: Changes for v4.3-rc1

There are a bunch of non-critical fixes here that I've collected over
the past few months, but the biggest part is Tegra210 support, in the
DC, DSI and SOR/HDMI drivers.

Also this finally restores DPMS with atomic mode-setting, something
that has been broken since the conversion and which I had originally
expected to take far less longer to fix.

* tag 'drm/tegra/for-4.3-rc1' of git://anongit.freedesktop.org/tegra/linux: (41 commits)
  drm/tegra: sor: Add HDMI support
  drm/tegra: sor: Add Tegra210 eDP support
  drm/tegra: dc: Implement atomic DPMS
  drm/tegra: sor: Restore DPMS
  drm/tegra: dsi: Restore DPMS
  drm/tegra: hdmi: Restore DPMS
  drm/tegra: rgb: Restore DPMS
  drm/tegra: sor: Use DRM debugfs infrastructure for CRC
  drm/tegra: sor: Write correct head state registers
  drm/tegra: sor: Constify display mode
  drm/tegra: sor: Reset the correct debugfs fields
  drm/tegra: sor: Set minor after debugfs initialization
  drm/tegra: sor: Provide error messages in probe
  drm/tegra: sor: Rename registers for consistency
  drm/tegra: dpaux: Disable interrupt when detached
  drm/tegra: dpaux: Configure pads as I2C by default
  drm/tegra: dpaux: Provide error message in probe
  drm/tegra: dsi: Add Tegra210 support
  drm/tegra: dsi: Add Tegra132 support
  drm/tegra: dsi: Add Tegra124 support
  ...

9 years agoMerge branch 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daein...
Dave Airlie [Mon, 17 Aug 2015 05:33:23 +0000 (15:33 +1000)]
Merge branch 'exynos-drm-next' of git://git./linux/kernel/git/daeinki/drm-exynos into drm-next

Summary:
- Clean up HDMI and MIXER parts
- Clean up legacy structures specific to Exynos DRM
  . This patch series removes existing exyons_drm_display and
    exynos_drm_encoder structures specific to Exynos DRM, and
    makes them to replace with common drm_encoder structure.
    With cleanup patch, we removes exynos_drm_encoder module.
- Clean up gem, dmabuf and buffer modules
  . This patch series replaces existing Exynos DRM dmabuf codes
    with common drm prime ones, and embeds all codes of exynos_drm_buf
    into exynos_drm_gem module.
    With cleanup patch, we removes exynos_drm_buf and exynos_drm_dmabuf
    modules.
- And some fixups.

* 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos: (53 commits)
  drm/exynos: merge exynos_drm_buf.c to exynos_drm_gem.c
  drm/exynos: use prime helpers
  drm/exynos: remove function roundup_gem_size
  drm/exynos: remove function update_vm_cache_attr
  drm/exynos: remove function check_gem_flags
  drm/exynos: use ERR_PTR instead of NULL in exynos_drm_gem_init
  drm/exynos: remove unused fields of struct exynos_drm_gem_buf
  drm/exynos: stop copying sg table
  drm/exynos: remove function exynos_drm_gem_map_buf
  drm/exynos: remove mutex locking in pagefault handler
  drm/exynos: remove function convert_to_vm_err_msg
  drm/exynos: stop using sgtable in page fault handler
  drm/exynos: remove struct exynos_drm_encoder layer
  drm/exynos: fold encoder setup into exynos_drm_load()
  drm/exynos: remove exynos_drm_create_enc_conn()
  drm/exynos: remove exynos_encoder's .commit() op
  drm/exynos: remove extra call to exynos_dp_commit()
  drm/exynos: remove extra call to hdmi_commit()
  drm/exynos: remove struct exynos_drm_display
  drm/exynos: simplify calculation of possible CRTCs
  ...

9 years agoMerge branch 'msm-next' of git://people.freedesktop.org/~robclark/linux into drm...
Dave Airlie [Mon, 17 Aug 2015 04:33:11 +0000 (14:33 +1000)]
Merge branch 'msm-next' of git://people.freedesktop.org/~robclark/linux into drm-next

1) includes all the drm/msm side of things for upstream kernel working
on dragonboard 410c (still some pending work on adv7533 bridge chip)
2) initial support for msm8x94 (snapdragon 810)
3) support for msm8x74v1 (in addition to existing v2 support)
4) support for dma planes on mdp5 (additional planes that cannot scale/csc)
5) more yuv format support for mdp5 (single plane vyuy/uyvy/yuyv/yvyu,
two plane nv16/nv61, and three plane yuv420/yvu420)
6) rotation support for mdp5
7) initial hdcp support
8) fixes, etc

* 'msm-next' of git://people.freedesktop.org/~robclark/linux: (46 commits)
  drm/msm/dsi: Introduce DSI configuration module
  drm/msm/dsi: Make each PHY type compilation independent
  drm/msm/dsi: Split PHY drivers to separate files
  drm/msm/dsi: Return void from msm_dsi_phy_disable()
  drm/msm/dsi: Specify bitmask to set source PLL
  drm/msm/mdp: Clear pending interrupt status before enable interrupt
  drm/msm/mdp5: Add rotation (hflip/vflip) support to MDP5 planes (v2)
  drm/msm: add calls to prepare and unprepare panel
  drm/msm/dsi: Modify dsi manager bridge ops to work with external bridges
  drm/msm/dsi: Allow dsi to connect to an external bridge
  drm/msm/dsi: Create a helper to check if there is a connected device
  drm/msm/dsi: Refer to connected device as 'device' instead of 'panel'
  drm/msm/dsi: Make TE gpio optional
  drm/msm: mdp4 lvds: get panel node via of graph parsing
  drm/msm: dsi host: Use device graph parsing to parse connected panel
  drm/msm: dsi host: add missing of_node_put()
  drm/msm: Enable clocks during enable/disable_vblank() callbacks
  drm/msm/mdp5: Add support for msm8x74v1
  drm/msm/mdp5: Add DMA pipe planes for MDP5
  drm/msm/mdp: Add capabilities to MDP planes (v2)
  ...

9 years agoMerge tag 'drm-intel-next-fixes-2015-08-16' of git://anongit.freedesktop.org/drm...
Dave Airlie [Mon, 17 Aug 2015 04:14:34 +0000 (14:14 +1000)]
Merge tag 'drm-intel-next-fixes-2015-08-16' of git://anongit.freedesktop.org/drm-intel into drm-next

Bunch more fixes for 4.3, most of it skl fallout. It's not quite all yet,
there's still a few more patches pending to enable DDI-E correctly on skl.
Also included the dpms atomic work from Maarten since atomic is just a
pain and not including would cause piles of conflicts right from the
start.

* tag 'drm-intel-next-fixes-2015-08-16' of git://anongit.freedesktop.org/drm-intel: (67 commits)
  drm/i915: Per-DDI I_boost override
  drm/i915/skl: WaIgnoreDDIAStrap is forever, always init DDI A
  drm/i915: fix checksum write for automated test reply
  drm/i915: Contain the WA_REG macro
  drm/i915: Remove the failed context from the fpriv->context_idr
  drm/i915: Report IOMMU enabled status for GPU hangs
  drm/i915: Check idle to active before processing CSQ
  drm/i915: Set alternate aux for DDI-E
  drm/i915: Set power domain for DDI-E
  drm/i915: fix stolen bios_reserved checks
  drm/i915: Use masked write for Context Status Buffer Pointer
  drm/i915/skl WaDisableSbeCacheDispatchPortSharing
  drm/i915: Spam less on dp aux send/receive problems
  drm/i915: Handle return value in intel_pin_and_fence_fb_obj, v2.
  drm/i915: Only update mode related state if a modeset happened.
  drm/i915: Remove connectors_active.
  drm/i915: Remove connectors_active from intel_dp.c, v2.
  drm/i915: Remove connectors_active from sanitization, v2.
  drm/i915: Get rid of dpms handling.
  drm/i915: Make crtc checking use the atomic state, v2.
  ...

9 years agoMerge tag 'v4.2-rc7' into drm-next
Dave Airlie [Mon, 17 Aug 2015 04:13:53 +0000 (14:13 +1000)]
Merge tag 'v4.2-rc7' into drm-next

Linux 4.2-rc7

Backmerge master for i915 fixes

9 years agoLinux 4.2-rc7
Linus Torvalds [Sun, 16 Aug 2015 23:34:13 +0000 (16:34 -0700)]
Linux 4.2-rc7

9 years agoMerge tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
Linus Torvalds [Sun, 16 Aug 2015 22:44:33 +0000 (15:44 -0700)]
Merge tag 'armsoc-for-linus' of git://git./linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A smallish batch of fixes, a little more than expected this late, but
  all fixes are contained to their platforms and seem reasonably low
  risk:

   - a somewhat large SMP fix for ux500 that still seemed warranted to
     include here
   - OMAP DT fixes for pbias regulator specification that broke due to
     some DT reshuffling
   - PCIe IRQ routing bugfix for i.MX
   - networking fixes for keystone
   - runtime PM for OMAP GPMC
   - a couple of error path bug fixes for exynos"

* tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: dts: keystone: Fix the mdio bindings by moving it to soc specific file
  ARM: dts: keystone: fix the clock node for mdio
  memory: omap-gpmc: Don't try to save uninitialized GPMC context
  ARM: imx6: correct i.MX6 PCIe interrupt routing
  ARM: ux500: add an SMP enablement type and move cpu nodes
  ARM: dts: dra7: Fix broken pbias device creation
  ARM: dts: OMAP5: Fix broken pbias device creation
  ARM: dts: OMAP4: Fix broken pbias device creation
  ARM: dts: omap243x: Fix broken pbias device creation
  ARM: EXYNOS: fix double of_node_put() on error path
  ARM: EXYNOS: Fix potentian kfree() of ro memory

9 years agoMerge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Linus Torvalds [Sun, 16 Aug 2015 22:39:31 +0000 (15:39 -0700)]
Merge branch 'upstream' of git://git.linux-mips.org/ralf/upstream-linus

Pull MIPS bugfix from Ralf Baechle:
 "Only a single MIPS fix - the math when invoking syscall_trace_enter
  was wrong"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: Fix seccomp syscall argument for MIPS64

9 years agoMerge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 16 Aug 2015 22:11:25 +0000 (15:11 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Merge x86 fixes from Ingo Molnar:
 "Two followup fixes related to the previous LDT fix"

Also applied a further FPU emulation fix from Andy Lutomirski to the
branch before actually merging it.

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
  x86/ldt: Further fix FPU emulation
  x86/ldt: Correct FPU emulation access to LDT
  x86/ldt: Correct LDT access in single stepping logic

9 years agox86/ldt: Further fix FPU emulation
Andy Lutomirski [Fri, 14 Aug 2015 22:02:55 +0000 (15:02 -0700)]
x86/ldt: Further fix FPU emulation

The previous fix confused a selector with a segment prefix.  Fix it.

Compile-tested only.

Cc: stable@vger.kernel.org
Cc: Juergen Gross <jgross@suse.com>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes: 4809146b86c3 ("x86/ldt: Correct FPU emulation access to LDT")
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9 years agofs/fuse: fix ioctl type confusion
Jann Horn [Sun, 16 Aug 2015 18:27:01 +0000 (20:27 +0200)]
fs/fuse: fix ioctl type confusion

fuse_dev_ioctl() performed fuse_get_dev() on a user-supplied fd,
leading to a type confusion issue. Fix it by checking file->f_op.

Signed-off-by: Jann Horn <jann@thejh.net>
Acked-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9 years agoMerge tag 'keystone-dts-late-fixes-v2' of git://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Sun, 16 Aug 2015 19:29:57 +0000 (21:29 +0200)]
Merge tag 'keystone-dts-late-fixes-v2' of git://git./linux/kernel/git/ssantosh/linux-keystone into fixes

ARM: Couple of Keysyone MDIO DTS fixes for 4.2-rc6+

These are necessary to get the NIC card working on all Keystone
EVMs. Couple of boards are broken without these two fixes.

* tag 'keystone-dts-late-fixes-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  ARM: dts: keystone: Fix the mdio bindings by moving it to soc specific file
  ARM: dts: keystone: fix the clock node for mdio

Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoMIPS: Fix seccomp syscall argument for MIPS64
Markos Chandras [Thu, 13 Aug 2015 07:47:59 +0000 (08:47 +0100)]
MIPS: Fix seccomp syscall argument for MIPS64

Commit 4c21b8fd8f14 ("MIPS: seccomp: Handle indirect system calls (o32)")
fixed indirect system calls on O32 but it also introduced a bug for MIPS64
where it erroneously modified the v0 (syscall) register with the assumption
that the sycall offset hasn't been taken into consideration. This breaks
seccomp on MIPS64 n64 and n32 ABIs. We fix this by replacing the addition
with a move instruction.

Fixes: 4c21b8fd8f14 ("MIPS: seccomp: Handle indirect system calls (o32)")
Cc: <stable@vger.kernel.org> # 3.15+
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10951/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
9 years agodrm/exynos: merge exynos_drm_buf.c to exynos_drm_gem.c
Joonyoung Shim [Sun, 16 Aug 2015 05:38:49 +0000 (14:38 +0900)]
drm/exynos: merge exynos_drm_buf.c to exynos_drm_gem.c

The struct exynos_drm_gem_obj can have fields of the struct
exynos_drm_gem_buf then don't need to use exynos_drm_buf.c file.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: use prime helpers
Joonyoung Shim [Sun, 16 Aug 2015 05:33:08 +0000 (14:33 +0900)]
drm/exynos: use prime helpers

The dma-buf codes of exynos drm is almost same with prime helpers. A
difference is that consider DMA_NONE when import dma-buf, but it's wrong
and we don't consider it any more, so we can use prime interface.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove function roundup_gem_size
Joonyoung Shim [Tue, 28 Jul 2015 08:53:27 +0000 (17:53 +0900)]
drm/exynos: remove function roundup_gem_size

The function roundup_gem_size can be merged in exynos_drm_gem_create.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove function update_vm_cache_attr
Joonyoung Shim [Sun, 16 Aug 2015 05:16:49 +0000 (14:16 +0900)]
drm/exynos: remove function update_vm_cache_attr

The function update_vm_cache_attr can be merged in exynos_drm_gem_mmap.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove function check_gem_flags
Joonyoung Shim [Sun, 16 Aug 2015 05:15:06 +0000 (14:15 +0900)]
drm/exynos: remove function check_gem_flags

The function check_gem_flags is too simple, so it's better to move codes
in each consumer functions.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: use ERR_PTR instead of NULL in exynos_drm_gem_init
Joonyoung Shim [Tue, 28 Jul 2015 08:53:22 +0000 (17:53 +0900)]
drm/exynos: use ERR_PTR instead of NULL in exynos_drm_gem_init

For more correct error information.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove unused fields of struct exynos_drm_gem_buf
Joonyoung Shim [Tue, 28 Jul 2015 08:53:21 +0000 (17:53 +0900)]
drm/exynos: remove unused fields of struct exynos_drm_gem_buf

The userptr, write and pfnmap of struct exynos_drm_gem_buf are not used
anywhere.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: stop copying sg table
Joonyoung Shim [Tue, 28 Jul 2015 08:53:20 +0000 (17:53 +0900)]
drm/exynos: stop copying sg table

Already struct exynos_drm_gem_buf has pages of the buffer, so we don't
need to copy from sg table of the buffer to sg table of dma-buf
attachment, just can make sg table from pages of the buffer.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove function exynos_drm_gem_map_buf
Joonyoung Shim [Tue, 28 Jul 2015 08:53:19 +0000 (17:53 +0900)]
drm/exynos: remove function exynos_drm_gem_map_buf

The exynos_drm_gem_map_buf can be merged in exynos_drm_gem_fault.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove mutex locking in pagefault handler
Joonyoung Shim [Tue, 28 Jul 2015 08:53:18 +0000 (17:53 +0900)]
drm/exynos: remove mutex locking in pagefault handler

There is no reason to use mutex locking in pagefault handler.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove function convert_to_vm_err_msg
Joonyoung Shim [Tue, 28 Jul 2015 08:53:17 +0000 (17:53 +0900)]
drm/exynos: remove function convert_to_vm_err_msg

The convert_to_vm_err_msg is called just once by exynos_drm_gem_fault,
so it's simple not to use the function.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: stop using sgtable in page fault handler
Joonyoung Shim [Tue, 28 Jul 2015 08:53:16 +0000 (17:53 +0900)]
drm/exynos: stop using sgtable in page fault handler

Already struct exynos_drm_gem_buf has pages of the buffer when buffer is
created, so just can use pages in page fault handler, we don't have to
make sgtable of the buffer. But this needs to construct pages of the
buffer that is imported from dma-buf prime.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove struct exynos_drm_encoder layer
Gustavo Padovan [Sat, 15 Aug 2015 15:14:08 +0000 (12:14 -0300)]
drm/exynos: remove struct exynos_drm_encoder layer

struct exynos_drm_encoder was justing wrapping struct drm_encoder, it had
only a drm_encoder member and the internal exynos_drm_encoders ops that
was directly mapped to the drm_encoder helper funcs.

So now exynos DRM uses struct drm_encoder directly, this removes
completely the struct exynos_drm_encoder.

v2: add empty .mode_fixup() and .mode_set() to DSI and DPI to avoid null
pointer.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: fold encoder setup into exynos_drm_load()
Gustavo Padovan [Thu, 6 Aug 2015 13:31:47 +0000 (10:31 -0300)]
drm/exynos: fold encoder setup into exynos_drm_load()

As we are removing the exynos encoder move the encoder setup operation
directly inside the exynos_drm_load()

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove exynos_drm_create_enc_conn()
Gustavo Padovan [Wed, 5 Aug 2015 23:24:20 +0000 (20:24 -0300)]
drm/exynos: remove exynos_drm_create_enc_conn()

This functions was just hiding the encoder and connector creation in
a way that was less clean than if we get rid of it. For example,
exynos_encoder ops had .create_connector() defined only because we were
handing off the encoder and connector creation to
exynos_drm_create_enc_conn(). Without this function we can directly call
the create_connector function internally in the code, without the need of
any vtable access.

It also does some refactoring in the code like creating a bind function
for dpi devices.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove exynos_encoder's .commit() op
Gustavo Padovan [Wed, 5 Aug 2015 23:24:19 +0000 (20:24 -0300)]
drm/exynos: remove exynos_encoder's .commit() op

.commit() is not used anymore, Exynos encoders now follow the
.enable()/.disable() semantics from drm atomic core, so remove this
callback.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove extra call to exynos_dp_commit()
Gustavo Padovan [Wed, 5 Aug 2015 23:24:18 +0000 (20:24 -0300)]
drm/exynos: remove extra call to exynos_dp_commit()

exynos_dp_commit() was getting called twice by exynos encoder core, once
inside the .enable() call and another time by .commit() itself.

The remove of the second call caused the wake of a bug, the operations
orders inside exynos_dp_commit was wrong and we had to move
exynos_dp_start_video() to be the last operation in there.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove extra call to hdmi_commit()
Gustavo Padovan [Wed, 5 Aug 2015 23:24:17 +0000 (20:24 -0300)]
drm/exynos: remove extra call to hdmi_commit()

hdmi_commit() was getting called twice by exynos encoder core, once inside
the .enable() call and another time by .commit() itself.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove struct exynos_drm_display
Gustavo Padovan [Tue, 11 Aug 2015 08:38:06 +0000 (17:38 +0900)]
drm/exynos: remove struct exynos_drm_display

This struct was just representing encoder information, it was a member of
struct exynos_drm_encoder, so any code trying to access encoder data would
have to go through the encoder struct, get the display struct and then get
the data it want.

During this patchset we also realized that the only data
exynos_drm_encoder needs to store is the drm_encoder parent and the
exynos_drm_encoder_ops.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: simplify calculation of possible CRTCs
Gustavo Padovan [Wed, 5 Aug 2015 23:24:15 +0000 (20:24 -0300)]
drm/exynos: simplify calculation of possible CRTCs

All CRTCs can only be LCD, HDMI or VIDI, so basically all CRTCs will be a
possible CRTCs. This patch removes an extra function with switch that was
only checking if the CRTC type was one of those three above.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove unused .remove() and .check_mode() ops from display
Gustavo Padovan [Wed, 5 Aug 2015 23:24:14 +0000 (20:24 -0300)]
drm/exynos: remove unused .remove() and .check_mode() ops from display

These two display_ops are not used anywhere, remove them.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove wrappers for phy_power_{on,off}
Gustavo Padovan [Wed, 5 Aug 2015 23:24:13 +0000 (20:24 -0300)]
drm/exynos: remove wrappers for phy_power_{on,off}

phy_power_on() and phy_power_off() already checks for NULL pointer.
This patch removes the wrappers exynos_dp_phy_init() and
exynos_dp_phy_exit() since the only think they were doing was a check for
NULL phy.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: split display's .dpms() into .enable() and .disable()
Gustavo Padovan [Tue, 11 Aug 2015 00:37:04 +0000 (21:37 -0300)]
drm/exynos: split display's .dpms() into .enable() and .disable()

The DRM Core doesn't have a dpms() operation anymore, everything
now is enable() or disable().

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: return return value of exynos_crtc->enable_vblank
Gustavo Padovan [Thu, 16 Jul 2015 15:23:39 +0000 (12:23 -0300)]
drm/exynos: return return value of exynos_crtc->enable_vblank

Instead of blindly ignore the return value of enable_vblank return it
to the upper DRM layer for error handling.

Suggested-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: unify exynos_drm_plane names with drm core
Gustavo Padovan [Thu, 16 Jul 2015 15:23:38 +0000 (12:23 -0300)]
drm/exynos: unify exynos_drm_plane names with drm core

Rename crtc_{widht,height} to crtc_{w,h} and src_{width,height} to
src_{w,h} to make it similar to the atomic state names.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove unused fields from struct exynos_drm_plane
Gustavo Padovan [Thu, 16 Jul 2015 15:23:37 +0000 (12:23 -0300)]
drm/exynos: remove unused fields from struct exynos_drm_plane

Now after the move to use drm_plane_state directly struct drm_plane_state
has many unused fields, along with others that weren't used before the
plane state change. Thus remove them all.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: use drm atomic state directly
Gustavo Padovan [Mon, 3 Aug 2015 05:40:44 +0000 (14:40 +0900)]
drm/exynos: use drm atomic state directly

For some fields the use of struct exynos_drm_plane filled with data from
the plane state just creates a source of duplicated information and
overhead.  Here we change the crtc drivers to access the plane state
directly simplifying the code by not relying on a exynos internal struct.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: pass struct exynos_drm_plane in update/enable
Gustavo Padovan [Mon, 3 Aug 2015 05:39:36 +0000 (14:39 +0900)]
drm/exynos: pass struct exynos_drm_plane in update/enable

We already have the plane pointer in before calling .update_plane() or
disable_plane() so pass it directly to those calls avoiding a new
conversion from zpos to struct exynos_drm_plane.

v2: don't remove check for suspended in FIMD (comment by Joonyoung)

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: rename win_commit/disable to atomic-like names
Gustavo Padovan [Mon, 3 Aug 2015 05:38:05 +0000 (14:38 +0900)]
drm/exynos: rename win_commit/disable to atomic-like names

Rename win_commit() helper to update_plane() and win_disable() to
disable_plane().

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove duplicated check for suspend
Gustavo Padovan [Thu, 16 Jul 2015 15:23:33 +0000 (12:23 -0300)]
drm/exynos: remove duplicated check for suspend

The same check is placed twice in fimd/decon_update_plane(), remove
one of them.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: use KMS version of DRM vblanks functions
Gustavo Padovan [Thu, 16 Jul 2015 15:23:32 +0000 (12:23 -0300)]
drm/exynos: use KMS version of DRM vblanks functions

Get rid of legacy DRM vblank function that are less clear to use.
The new ones basically requires only the crtc as parameters.

It also clean ups exynos_drm_crtc_finish_pageflip() parameters as a
consequence.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: pass the correct pipe number
Gustavo Padovan [Thu, 16 Jul 2015 15:23:31 +0000 (12:23 -0300)]
drm/exynos: pass the correct pipe number

Instead of giving -1 to as arg to  drm_send_vblank_event() pass the
correct pipe number to it.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: clear channels only when iommu is enabled
Joonyoung Shim [Tue, 28 Jul 2015 08:51:02 +0000 (17:51 +0900)]
drm/exynos: clear channels only when iommu is enabled

This is simplest solution about reported problem[1]. It's no problem to
clear channel only when iommu is enabled, if we consider that we cannot
recognize iommu errors when iommu is disabled and it have been valid
until now. But this cannot be nice solution.

[1] https://lkml.org/lkml/2015/7/21/404

Reported-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove drm_iommu_attach_device_if_possible
Joonyoung Shim [Thu, 2 Jul 2015 12:49:39 +0000 (21:49 +0900)]
drm/exynos: remove drm_iommu_attach_device_if_possible

Already drm_iommu_attach_device checks whether support iommu internally.
It should clear channels always regardless iommu support. We didn't know
because we can detect the problem when iommu is enabled, so we don't
have to use drm_iommu_attach_device_if_possible and then we can remove
drm_iommu_attach_device_if_possible and clear_channels function pointer.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: move order to register vidi kms driver
Joonyoung Shim [Wed, 15 Jul 2015 03:04:39 +0000 (12:04 +0900)]
drm/exynos: move order to register vidi kms driver

The vidi is virtual kms driver and now it is registered earlier than
actual hw kms drivers, so it will occupy crtc index 0. Some users
assume the condition yet that actual hw kms driver has crtc index 0.
It may or may not be matter but let's arrange register order.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/mixer: replace MXR_INT_EN register cache with flag
Andrzej Hajda [Thu, 9 Jul 2015 06:25:43 +0000 (08:25 +0200)]
drm/exynos/mixer: replace MXR_INT_EN register cache with flag

Driver uses only VSYNC interrupts, so we need to cache VSYNC bit state only.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/mixer: simplify poweron flag
Andrzej Hajda [Thu, 9 Jul 2015 06:25:42 +0000 (08:25 +0200)]
drm/exynos/mixer: simplify poweron flag

The driver uses bool protected by mutex to track power state.
The patch replaces this combo with single bit and atomic bitops.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove unnecessary checking to support iommu
Joonyoung Shim [Thu, 2 Jul 2015 12:49:38 +0000 (21:49 +0900)]
drm/exynos: remove unnecessary checking to support iommu

Already drm_iommu_attach_device and drm_iommu_detach_device check
whether support iommu internally, so we don't have to call
is_drm_iommu_supported before call them.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: remove to use ifdef CONFIG_ARM_DMA_USE_IOMMU
Joonyoung Shim [Thu, 2 Jul 2015 12:49:37 +0000 (21:49 +0900)]
drm/exynos: remove to use ifdef CONFIG_ARM_DMA_USE_IOMMU

If CONFIG_ARM_DMA_USE_IOMMU is disable, CONFIG_DRM_EXYNOS_IOMMU also is
disable. When CONFIG_DRM_EXYNOS_IOMMU is disable,
is_drm_iommu_supported() returns always false, so we can remove to use
ifdef CONFIG_ARM_DMA_USE_IOMMU in is_drm_iommu_supported().

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: gsc: Handles the combination of rotation and flip
Hyungwon Hwang [Wed, 1 Jul 2015 10:09:25 +0000 (19:09 +0900)]
drm/exynos: gsc: Handles the combination of rotation and flip

The unique results of all the combination of rotation and flip can
be represented by just 8 states. This patch handles all the combination
correctly.

Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/hdmi: remove hdmi_v14_conf struct
Andrzej Hajda [Thu, 9 Jul 2015 14:28:12 +0000 (16:28 +0200)]
drm/exynos/hdmi: remove hdmi_v14_conf struct

The patch removes intermediate struct for HDMIv14 register configuration,
instead registry values are calculated on the fly.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/hdmi: remove hdmi_v13_conf struct
Andrzej Hajda [Thu, 9 Jul 2015 14:28:11 +0000 (16:28 +0200)]
drm/exynos/hdmi: remove hdmi_v13_conf struct

The patch removes intermediate struct for HDMIv13 register configuration,
instead registry values are calculated on the fly.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/hdmi: remove redundant configuration fields
Andrzej Hajda [Thu, 9 Jul 2015 14:28:10 +0000 (16:28 +0200)]
drm/exynos/hdmi: remove redundant configuration fields

The patch removes redundant fields from hdmi_conf_regs. Their values
can be calculated from current_mode. This patch is the first step to remove
whole hdmi_conf_regs structure.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/hdmi: add driver data pointer to private context
Andrzej Hajda [Thu, 9 Jul 2015 14:28:09 +0000 (16:28 +0200)]
drm/exynos/hdmi: add driver data pointer to private context

The patch replaces duplicated driver data fields in private context with
pointer to driver data. It also simplifies driver data lookup code.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/hdmi: remove private lock code
Andrzej Hajda [Thu, 9 Jul 2015 14:28:08 +0000 (16:28 +0200)]
drm/exynos/hdmi: remove private lock code

Most of the code is called by drm core framework, so it is already synchronized.
The only async function is irq routine which only calls drm framework so it
does not need to be synchronized.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/hdmi: Simplify HPD gpio handling
Andrzej Hajda [Thu, 9 Jul 2015 14:28:07 +0000 (16:28 +0200)]
drm/exynos/hdmi: Simplify HPD gpio handling

GPIO is tested only in hdmi_detect, so there is no reason to set it in
other places and to preserve its value in context.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/hdmi: remove old platform data code
Andrzej Hajda [Thu, 9 Jul 2015 14:28:06 +0000 (16:28 +0200)]
drm/exynos/hdmi: remove old platform data code

s5p_hdmi_platform_data were used before device tree introduction.
As HDMI driver is DT only we can drop this struct completely.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/fimc: fix runtime pm support
Marek Szyprowski [Thu, 9 Apr 2015 08:46:00 +0000 (10:46 +0200)]
drm/exynos/fimc: fix runtime pm support

Once pm_runtime_set_active() gets called, the kernel assumes that given
device has already enabled runtime pm and will call pm_runtime_suspend()
without matching pm_runtime_resume(). In case of DRM FIMC IPP driver,
this will result in calling clk_disable() without respective call to
clk_enable(). This patch removes call to pm_runtime_set_active() to
ensure that pm_runtime_suspend/resume calls will match.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/mixer: always update INT_EN cache
Andrzej Hajda [Thu, 9 Jul 2015 06:25:41 +0000 (08:25 +0200)]
drm/exynos/mixer: always update INT_EN cache

INT_EN cache field was updated only by mixer_enable_vblank.
The patch adds update also by mixer_disable_vblank function.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/mixer: correct vsync configuration sequence
Andrzej Hajda [Thu, 9 Jul 2015 06:25:40 +0000 (08:25 +0200)]
drm/exynos/mixer: correct vsync configuration sequence

Specification advises to clear vsync indicator before configuring vsync.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/mixer: fix interrupt clearing
Andrzej Hajda [Thu, 9 Jul 2015 08:07:53 +0000 (10:07 +0200)]
drm/exynos/mixer: fix interrupt clearing

The driver used incorrect flags to clear interrupt status.
The patch fixes it.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos/hdmi: fix edid memory leak
Andrzej Hajda [Thu, 9 Jul 2015 06:25:38 +0000 (08:25 +0200)]
drm/exynos/hdmi: fix edid memory leak

edid returned by drm_get_edid should be freed.
The patch fixes it.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/exynos: gsc: fix wrong bitwise operation for swap detection
Hyungwon Hwang [Wed, 1 Jul 2015 10:09:24 +0000 (19:09 +0900)]
drm/exynos: gsc: fix wrong bitwise operation for swap detection

The bits for rotation are not used as exclusively. So GSC_IN_ROT_270 can
not be used for swap detection. The definition of it is same with
GSC_IN_ROT_MASK. It is enough to check GSC_IN_ROT_90 bit is set or not to
check whether width / height size swapping is needed.

Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
9 years agodrm/msm/dsi: Introduce DSI configuration module
Hai Li [Thu, 13 Aug 2015 21:49:29 +0000 (17:49 -0400)]
drm/msm/dsi: Introduce DSI configuration module

With more platforms supported, the DSI host
configuration array keeps expanding. This change
moves those to a separate dsi_cfg module.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/dsi: Make each PHY type compilation independent
Hai Li [Thu, 13 Aug 2015 21:45:53 +0000 (17:45 -0400)]
drm/msm/dsi: Make each PHY type compilation independent

On a certain platform, only one type of DSI PHY is used.
This change allows the user to only compile the PHY type
which is being used.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/dsi: Split PHY drivers to separate files
Hai Li [Thu, 13 Aug 2015 21:45:52 +0000 (17:45 -0400)]
drm/msm/dsi: Split PHY drivers to separate files

This change moves each PHY type specific code into
separate files.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/dsi: Return void from msm_dsi_phy_disable()
Hai Li [Thu, 13 Aug 2015 21:45:51 +0000 (17:45 -0400)]
drm/msm/dsi: Return void from msm_dsi_phy_disable()

We are not checking the return value from msm_dsi_phy_disable().
Change the return type to void.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/dsi: Specify bitmask to set source PLL
Hai Li [Thu, 13 Aug 2015 21:45:50 +0000 (17:45 -0400)]
drm/msm/dsi: Specify bitmask to set source PLL

The bit position to configure source PLL will change
on new types of PHYs. The caller should pass down
this information.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
9 years agodrm/msm/mdp: Clear pending interrupt status before enable interrupt
jilai wang [Wed, 5 Aug 2015 19:33:29 +0000 (15:33 -0400)]
drm/msm/mdp: Clear pending interrupt status before enable interrupt

Pending interrupt status needs to be cleared before enable the
interrupt. Otherwise it's possible to get a pending interrupt instead
of an incoming interrupt.

Signed-off-by: Jilai Wang <jilaiw@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>